Re: SAX: Attributes

David Megginson (ak117@freenet.carleton.ca)
Sun, 4 Jan 1998 20:13:10 -0500


Sean Mc Grath writes:

> Annex G of the SGML handbook just says the order is insignificant. However,
> nsgmls ESIS supplies then in declaration order and I for one have written
> apps that relied on that. Perhaps writing apps that rely on a specific
> order of attribute event arrival is just plain bad design!

The order of attributes should never be significant (how would you
deal with defaulted attribute values?) -- perhaps making this point
explicit would be a good minor change for the PR (Tim?).

> Anyway, the dictionary approach, supplying all the attributes in one go
> side-steps buffering and state space for simple little SAX apps. that want
> to pick
> up attributes X and Y of element Z and nothing else.
>
> While on this subject, what comes first, a start-tag event or its attribute
> event(s)?

I prefer to put the attributes first, so that all the information will
have been delivered by the time the startElement event arrives.

All the best,

David

-- 
David Megginson                 ak117@freenet.carleton.ca
Microstar Software Ltd.         dmeggins@microstar.com
      http://home.sprynet.com/sprynet/dmeggins/

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